it should not be a problem and probably will help you
most programs have some pgy2 positions exactl for the applicant
who has done a prelim or transitional year. the only thing is you should somehow get in 4 months of neurology during that first year because a lot of programs don't really have a way for you to do those 4 months if you're starting as pgy2
you need those 4 months for board certificaton in psych